The sum of two numbers is 32, the sum of their logarithms (base 10) is 2.2. Determine these numbers.
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Exponential equation
Solve exponential equation (in real numbers): 98x-2=9
- Logarithmic equation
Solve equation: log33(3x + 21) = 0
- Water lilies
Water lilies are growing on the pond and their number is doubled every day. The whole layer is covered in 12 days. How many days will it cover 8 layers?
- Ball game
Richard, Denis and Denise together scored 932 goals. Denis scored 4 goals over Denise but Denis scored 24 goals less than Richard. Determine the number of goals for each player.
- Unknown number
I think number. If subtract from the twelfth square the ninth square I get a number 27 times greater than the intended number. What is this unknown number?
- Theorem prove
We want to prove the sentense: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?
Determine the discriminant of the equation: ?
Determine the quadratic equation absolute coefficient q, that the equation has a real double root and the root x calculate: ?
Equation ? has one root x1 = 8. Determine the coefficient b and the second root x2.
- Powers 3
2 to the power of n divided by 4 to the power of -3 equal 4. What is the vaule of n?
- Intercept with axis
F(x)=log(x+4)-2, what is the x intercept
- Quadratic equation
Find the roots of the quadratic equation: 3x2-4x + (-4) = 0.
- Evaluation of expressions
If a2-3a+1=0, find (i)a2+1/a2 (ii) a3+1/a3
- Quadratic equation
Quadratic equation ? has roots x1 = 80 and x2 = 78. Calculate the coefficients b and c.
Iron tubes in the warehouse are stored in layers so that each tube top layer fit into the gaps of the lower layer. How many layers are needed to deposit 100 tubes if top layer has 9 tubes? How many tubes are in bottom layer of tubes?
- Quadratic inequation
If 5x + x² > 100, then x is not
Solve two equations with two unknowns: 400x+120y=147.2 350x+200y=144